30461155662440 has 32 divisors (see below), whose sum is σ = 71517495905280. Its totient is φ = 11654703035712.

The previous prime is 30461155662419. The next prime is 30461155662499. The reversal of 30461155662440 is 4426655116403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16554974984 + ... + 16554976823.

It is an arithmetic number, because the mean of its divisors is an integer number (2234921747040).

Almost surely, 2^{30461155662440} is an apocalyptic number.

It is an amenable number.

30461155662440 is an abundant number, since it is smaller than the sum of its proper divisors (41056340242840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30461155662440 is a wasteful number, since it uses less digits than its factorization.

30461155662440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33109951841 (or 33109951837 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 47.

The spelling of 30461155662440 in words is "thirty trillion, four hundred sixty-one billion, one hundred fifty-five million, six hundred sixty-two thousand, four hundred forty".